You may have to install or update drivers Most of the drivers/software I get are from a web site driverguide.com you need
to fill out a free registration then search for the driver you need
download it in a format you can use install it and then most times
reboot the computer

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Hi,
Disconnect all power to your PC.
Open up the cover your PC (CPU) and find spare connection on *********** ( beside your VGA / video card). If you see a spare, you can install your card there. If you found cover with screw, remove it accordingly. Place your sound card on female adapter securely.Check if there is output audio wires from your cd rom and connect to your sound card. Close the PC cover. Power on your PC. If you have external active speaker, connect it out to sound card audio output.
Now you supposed to can play your PC with sound card.

Right click My ComputerClick ManageClick Device ManagerMake a note of any devices that appear with a warning symbol and look them up on google. All drivers must be installed after a re-install of Windows for the computer to work correctly.

Please check whether the device drivers for your Audio Hardware is installed or not. The process is
Start>Run>devmgmt.msc (type and click ok or press enter)
Now find your audio device and check whether drivers for the same are installed or not...
If the device shows mark of exclamation (!) or interrogation (?) beside it, please install drivers for it.
Try and pls reply.